Specifications
Manufacturing and testing
- GB/T12224-2005
Other technical requirements
- GB/T12235-2005
Connection flange
- JB79
Test and inspection
- GB/T13927
Application
The Silent Check Valve is the preferred choice in applications where silent operation and cost are of major concern. Its short linear stroke and spring return action combine to close the valve prior to flow reversal which effectively eliminates the shock and water hammer normally associated with the sudden stoppage of a reverse flow
| DN | L | D | D1 | b | Z-φd |
| 100 | 165 | 215 | 180 | 20 | 8-18 |
| 125 | 190 | 245 | 210 | 22 | 8-18 |
| 150 | 210 | 280 | 240 | 24 | 8-22 |
| 200 | 255 | 335 | 295 | 26 | 8-22 |
| 250 | 310 | 380 | 350 | 28 | 12-22 |
| 300 | 330 | 440 | 400 | 28 | 12-22 |
Feature
1. Widely used in water supply and drainage, fire protection, HVAC, industrial and other systems.
2. Expanded Body - provides full flow area
3. Double guided disc - prevents vibrations and wear
4. Resilient Seat - available for zero leakage
Package&Delivery
Packing Details: We choose suitable wood cases according to different valves and arrange skilled workers to pack in case of bruise. Long term cooperated forwarder will book space, clear customs and transport for us without delay. There are three ways for transportation, by sea, by air and by train. We will arrange transportation according to customers' needs.
Delivery Details: according to the order, 7~60days
FAQ
Q: Are you trading company or manufacturer ?
A: We are a factory.
Q: How long is your delivery time?
A: According to the order,7~60days.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
Product Tags:
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DN50 DN80 Muffler Flange End Vertical Check Valve Images
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